来自模型无关分析的$^{76}$Ge中存在刚性三轴形变的证据
核实验
2019-09-10 v1 核理论
摘要
对Ge（无中微子双贝塔衰变（）的候选核）中三轴形变的性质进行了一项广泛的模型无关分析，该分析基于多步库仑激发。根据转动不变量求和规则分析推导出的形状参数为基态带和带的潜在集体性提供了重要见解。确定两个带序均由相同的和形变参数值表征。此外，通过分析由测量的矩阵元推导出的四极不对称性的统计涨落，首次获得了Ge中存在低自旋刚性三轴形变的令人信服的证据。这些新确定的形状参数是旨在以足够精度提供与相关的核矩阵元的计算的重要输入和约束。
引用
@article{arxiv.1909.03270,
title = {Evidence for rigid triaxial deformation in $^{76}$Ge from a model-independent analysis},
author = {A. D. Ayangeakaa and R. V. F. Janssens and S. Zhu and D. Little and J. Henderson and C. Y. Wu and D. J. Hartley and M. Albers and K. Auranen and B. Bucher and M. P. Carpenter and P. Chowdhury and D. Cline and H. L. Crawford and P. Fallon and A. M. Forney and A. Gade and A. B. Hayes and F. G. Kondev and Krishichayan and T. Lauritsen and J. Li and A. O. Macchiavelli and D. Rhodes and D. Seweryniak and S. M. Stolze and W. B. Walters and J. Wu},
journal= {arXiv preprint arXiv:1909.03270},
year = {2019}
}
备注
6 pages, 5 figures